Most common issues - 16/17 diesels - Page 2 - Chevy Colorado & GMC Canyon
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post #21 of 57 (permalink) Old 04-17-2017, 06:29 PM
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I've been highly impressed with my truck.


Issues
-Particulate Matter Sensor


Inconvenience
-ECU rattle
-Trans shift when going downhill causes elevated RPM
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post #22 of 57 (permalink) Old 04-17-2017, 06:37 PM
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Most common issues - 16/17 diesels

20k miles on my '16 Duramax and I haven't had a single issue that only pertains to only the Diesel model.... damn rattling steering wheel!!
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post #23 of 57 (permalink) Old 04-17-2017, 07:33 PM
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Had mine for about a year with 13,000 miles on it. Very minor issues but none pertaining to the diesel.
As someone mentioned before keep an eye on the dealers and salesman. They tend to be clueless about the diesels. A lot of people on here have been running into problems with them.

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post #24 of 57 (permalink) Old 04-17-2017, 08:02 PM
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This is great to hear, im real close to closing the deal, pending my trade in.

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post #25 of 57 (permalink) Old 04-17-2017, 08:02 PM
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Just over 1 year and 18K. Love the truck, great fuel mileage, tows my 6k Travel trailer with ease. Transmission shifts perfectly . Exhaust brake works well here in the mountains when towing. 28.43 mpg lifetime average( towing, Daily driver, 4 months of sub zero temps, lots of remote starts.)

ZERO issues.
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post #26 of 57 (permalink) Old 04-17-2017, 08:30 PM
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Had mine for 13 months now. 23,000 miles I think.
Steering wheel rattle-new wheel fixed.
Hose from the after cooler to the intake blew a hole-New hose fixed it.
That's about it. For the first model year, it's pretty impressive.
Average about 28.5 MPG not towing.

2016 Canyon SLT longbed 4x4 Duramax Summit White
Leather coca/dune
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Spray in bed liner
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Chrome recovery hooks
Skid plate
Chrome running boards
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Tonneau cover
Door sill plates
Bed lighting
Red painted calipers
LED cargo lamps
LED back up lamps
LED reading and dome lamps
HID low beams
LED high beams
Yes, I got it pinstriped.
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post #27 of 57 (permalink) Old 04-17-2017, 11:35 PM
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Great info here...

Man, makes me feel a lot more confident about my recent purchase. I've got 730 miles on my '17 Canyon and averaged 27 MPG on my first tank of diesel.

The electronics scare me but, I have no complaints and no issues. I'm very happy with this truck so far!

Mike
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post #28 of 57 (permalink) Old 04-18-2017, 10:36 PM
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I'm at 40,000 miles. I pull 6500# regularly now. I still like it, knock on wood. I had two alternator pulleys leaking that the dealer took care of. It does not stop the truck. Biggest fear with that would be someone washes off the alternator then your pulley is empty of fluid and not dampening the vibrations as it should. I do however have weird squeak squeak squeak at low to could be 40mph that is not in time with the motor or wheels and it's driving me bonkers. It's not the brakes either. It actually sppeds up when the truck slows down. Friggin weird.


I think the choice of getting a diesel Colorado is simply that there was nothing to compete with it for the 2016 model. Towing capacity, size, usefulness and MPG. There is absolutely nothing else out there that can get 30mpg and then tow serious weight.

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post #29 of 57 (permalink) Old 04-23-2017, 07:00 PM
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Quote:
Originally Posted by MattFL View Post
Thanks guys, please keep the info coming!

Are those sensor, pulley and exhaust fluid issues things that leave you stranded, and can they be fixed at home? Even if it's under warranty, I would prefer to spend a couple hundred bucks and fix it myself than let a dealer touch it. ;)
Pulley issue left me stranded. Belt strips tore wiring harness from fan clutch. They had to replace entire fan assembly as harness and clutch are one assembly. Truck died on I 70.
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post #30 of 57 (permalink) Old 04-23-2017, 07:49 PM
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Originally Posted by Daw View Post
Pulley issue left me stranded. Belt strips tore wiring harness from fan clutch. They had to replace entire fan assembly as harness and clutch are one assembly. Truck died on I 70.
Your's was another pulley issue, not the Alternator pulley though, right? The one he's referring too in that comment was the one I specifically mentioned about the Alternator pulley
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post #31 of 57 (permalink) Old 04-24-2017, 07:33 AM
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Wtf, just hit 200miles and got poor quality def. Lol unreal, should i get some blue def or take it straight to the dealer

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post #32 of 57 (permalink) Old 04-24-2017, 08:06 AM
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Had the truck for 12 weeks and 2500 miles....ZERO issues....runs great....cruising at 55mph ...almost 40 mpg

pictures on my profile of my truck during
assembly on 01-09-2017 Wentzville Mo.
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post #33 of 57 (permalink) Old 04-24-2017, 08:08 AM
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Originally Posted by eyekyu View Post
Wtf, just hit 200miles and got poor quality def. Lol unreal, should i get some blue def or take it straight to the dealer

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take it to the dealer....maybe a sensor or something else..or it sat on the lot for a long time
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post #34 of 57 (permalink) Old 04-24-2017, 07:27 PM
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Originally Posted by rich's Z71 View Post
take it to the dealer....maybe a sensor or something else..or it sat on the lot for a long time
thats what the mechanic said, it probably sat. I work about 50miles to the closest dealer. the message came on during my drive to work. about half to the dealer the message went away. Just annoying thats all.

For anyone really, when deleting the DPF does it also take care of the DEF?
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post #35 of 57 (permalink) Old 04-24-2017, 10:52 PM
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Originally Posted by eyekyu View Post
thats what the mechanic said, it probably sat. I work about 50miles to the closest dealer. the message came on during my drive to work. about half to the dealer the message went away. Just annoying thats all.

For anyone really, when deleting the DPF does it also take care of the DEF?
Yes it needs to be disabled too.
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post #36 of 57 (permalink) Old 04-24-2017, 11:15 PM
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Just over 6500 miles without any issues.
Haven't had to add DEF yet, Oil at 13%, Fuel filter at 73%.
Tuned it a few hundred miles back and it is much more spunky and shifts very smooth.

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post #37 of 57 (permalink) Old 04-25-2017, 08:01 PM Thread Starter
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Quote:
Originally Posted by Hckyplayer8 View Post
I've been highly impressed with my truck.


Issues
-Particulate Matter Sensor


Inconvenience
-ECU rattle
-Trans shift when going downhill causes elevated RPM
I think that shifting on the down hill might be intentional, to help control your speed when you're towing. FF this video to 10:00:

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post #38 of 57 (permalink) Old 04-25-2017, 09:13 PM
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My 2016 2.8 Colorado Z71 LB has been trouble free. 11K miles so far, and the diesel still continues to impress me with it's power. I get great gas mileage and the low end torque is great.
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post #39 of 57 (permalink) Old 04-26-2017, 12:57 PM
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Only 2000 miles and no issues. Compared to my previous car that required premium and got like 15-17 mpg this Colorado is incredibly fuel efficient. With a 21 gallon tank it seems like forever between fill ups. A little off topic, every now and then I floor it on a certain stretch of road - it's quickness is actually not bad at all for a truck. I'm sure the gasser feels a lot faster but even this diesel moves pretty good. I remember reading somewhere (different website) that someone said it was dangerously slow. That person Was wrong - it's not. My previous car was very fast and I can say this truck is not horrendously slow - it moves plenty good for me. Very happy with it.
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post #40 of 57 (permalink) Old 04-26-2017, 01:28 PM
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Only 2000 miles and no issues. Compared to my previous car that required premium and got like 15-17 mpg this Colorado is incredibly fuel efficient. With a 21 gallon tank it seems like forever between fill ups. A little off topic, every now and then I floor it on a certain stretch of road - it's quickness is actually not bad at all for a truck. I'm sure the gasser feels a lot faster but even this diesel moves pretty good. I remember reading somewhere (different website) that someone said it was dangerously slow. That person Was wrong - it's not. My previous car was very fast and I can say this truck is not horrendously slow - it moves plenty good for me. Very happy with it.
Agreed. The diesel is a different kind of power, and I think it is very cool. The diesel is great for accelerating while already rolling. "Stabbing" the pedal quickly works on gas engines, on our trucks smoothly rolling it in and not being shy about how far you push it down moves out in a satisfying way. I also love how solid the torque is, and as a result how normal speed changes for traffic are effortless, and hills simply don't seem to matter.
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Last edited by Duken4evr; 04-26-2017 at 01:34 PM.
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